package com.cljh.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

import java.util.ArrayList;
import java.util.List;


/**
 * 允许跨域
 */
@Configuration
public class CorsConfig  {
    // 当前跨域请求最大有效时长。这里默认1天
    private static final long MAX_AGE = 24 * 60 * 60;
//    @Value("${server.ip}")
//    private String ip;

//    @Bean
//    public CorsFilter corsFilter() {
//        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
//        CorsConfiguration corsConfiguration = new CorsConfiguration();
//        List<String> allowedOriginPatterns = new ArrayList<>();
//        allowedOriginPatterns.add("*");
//        corsConfiguration.setAllowedOriginPatterns(allowedOriginPatterns);
////        corsConfiguration.addAllowedOrigin("http://"+ip+":8080");
//        corsConfiguration.addAllowedOrigin("*"); // 1 设置访问源地址
//        corsConfiguration.addAllowedHeader("*"); // 2 设置访问源请求头
//        corsConfiguration.addAllowedMethod("*"); // 3 设置访问源请求方法
//        corsConfiguration.setMaxAge(MAX_AGE);
//        source.registerCorsConfiguration("/**", corsConfiguration); // 4 对接口配置跨域设置
//        return new CorsFilter(source);
//    }

}
